Answer:
3/1-1/7=21/7-1/7=20/7
Step-by-step explanation:
1st step: imagine to have a invisible 1 in whole number 3
2nd step: find the LCD which is 7
3rd step:divide the lcd to the denominator and then,
4th step:multiple on the numerator and you will get 21 and 1.
5th step:copy the denomitor 7 and subtract the numerator which is equal to 20.
6th step: Final answer is 20/7
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Answer:
3/1-1/7=21/7-1/7=20/7
Step-by-step explanation:
1st step: imagine to have a invisible 1 in whole number 3
2nd step: find the LCD which is 7
3rd step:divide the lcd to the denominator and then,
4th step:multiple on the numerator and you will get 21 and 1.
5th step:copy the denomitor 7 and subtract the numerator which is equal to 20.
6th step: Final answer is 20/7